122673676428 has 144 divisors (see below), whose sum is σ = 321215390496. Its totient is φ = 39450378240.

The previous prime is 122673676409. The next prime is 122673676451. The reversal of 122673676428 is 824676376221.

122673676428 is a `hidden beast` number, since 12 + 267 + 367 + 6 + 4 + 2 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58948348 + ... + 58950428.

It is an arithmetic number, because the mean of its divisors is an integer number (2230662434).

Almost surely, 2^122673676428 is an apocalyptic number.

122673676428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122673676428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160607695248).

122673676428 is an abundant number, since it is smaller than the sum of its proper divisors (198541714068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122673676428 is a wasteful number, since it uses less digits than its factorization.

122673676428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584 (or 2579 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 122673676428 in words is "one hundred twenty-two billion, six hundred seventy-three million, six hundred seventy-six thousand, four hundred twenty-eight".